STAMBAUGH "B"

Oil · District 7B · Lease #15491

Operator: SPEER PIPE

Cum Oil

236 BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

1993-01 — 1997-07

Peak Month

1993-12

Production History

Cum Oil: 236 BBL Cum Gas: 1,549 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21 BBL/mo

Di (annual)

499.0%

b-factor

0.5

EUR

82 BBL

R-squared

0.918

type

hyperbolic

Operator History (from monthly production reports)

1998-05 — 2014-09 INTERSTATE EXPLORATIONS LLC 197 mo
1998-03 — 1998-04 BIG STATE INDUSTRIES, INC. 2 mo
1993-01 — 1998-02 SPEER PIPE 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1INTERSTATE EXPLORATIONS LLC13,5001979-07-30